The Japanese Yen Is Sending A Warning To Stocks

Broad Japanese yen appreciation is signaling increased odds of a Bank of Japan rate hike, creating potential disruption for global FX and risk assets. Equity markets remain complacent, reflected in a low VIX and subdued implied correlations, despite historical evidence that yen-strength episodes can coincide with volatility spikes. A BOJ tightening-driven unwind in yen-funded positions could raise cross-asset volatility.